Al-enriched AlCrN coatings for a wide range of applications
A three-layer AlCrN coating with specific atomic compositions and morphologies addresses adhesion and mechanical property limitations, improving tool performance and extending tool life in cutting and forming operations.
JP2026518756APending Publication Date: 2026-06-09OERLIKON SURFACE SOLUTIONS AG PFAFFIKON
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- OERLIKON SURFACE SOLUTIONS AG PFAFFIKON
- Filing Date
- 2024-05-23
- Publication Date
- 2026-06-09
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Figure 2026518756000001_ABST
Abstract
The AlCrN-based coating of the present invention is described by the formula Al when only aluminum and chromium are considered in the calculation. x Cr 1-x Al-enriched AlCrN layer (40) having a chemical elemental composition corresponding to N (wherein x is a coefficient corresponding to the concentration of aluminum in the atomic concentration in the Al-enriched AlCrN layer), and the formula Al when only aluminum and chromium are considered in the calculation y Cr 1-y A non-Al-enriched AlCrN layer (20) having a chemical elemental composition corresponding to N (wherein y is a coefficient corresponding to the concentration of aluminum in the atomic concentration in the non-Al-enriched AlCrN layer), and the formula Al when only aluminum and chromium are considered in the calculation z Cr 1-z The Al variable AlCrN layer (30) comprises an Al variable AlCrN layer (30) having a chemical elemental composition corresponding to N (wherein z is a coefficient corresponding to the concentration of aluminum in the atomic concentration in the Al variable AlCrN layer), where the Al variable AlCrN layer (30) is deposited as a transition layer between the non-Al enriched AlCrN layer (20) and the Al enriched AlCrN layer (40), and -x is 0.76
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